Perhaps you should try some spelling variations:
vulgare » vulgar, vulgaris, vulgarly
bulgarie » bulgaria, bulgarian, vulgaris, bulgareie, vulgarie, bulgerie
bulgarien » bulgarian, bulgariann, vulgarisn, bulgaria, bulgareien, vulgarien, bulgerien
bulgariaie » bulgariae, bulgaria, bulgarian, bulgareiaie, vulgariaie, bulgeriaie
bulgar » bulgare, vulgar, bulger

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((vulgare OR ((bulgarie OR bulgariaie) OR bulgarien)) OR bulgar).
• Adding a wildcard symbol may retrieve word variants: ((vulgare or ((bulgarie or bulgariaie) or bulgarien)) or bulgar)*.